The paper quotes Johnny Blackwell, 23, who says, I dont believe in UFOs, but when I saw this I didnt know what it was. It didnt look like a cloud, and it was moving very fast.

Laura Young, a spokesperson for The Met Office (The U.K.s national weather service), told the News: After looking at the images, I can say the object is nothing to do with the weather. It is not meteorological and is not a cloud.

While the object may be unidentifiable at this time, other Portsmouth residents have some theories: